refactor(api): change format

[sashamelentyev]

✔️ Checklist:

• Have only one commit (if not, squash them into one commit)
• Tests for the changes have been added (for features / bug fixes / refactoring)

[codecov]

Codecov Report

Merging #321 (a2255b5) into main (6bcbed8) will decrease coverage by 0.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #321      +/-   ##
==========================================
- Coverage   68.54%   68.43%   -0.12%     
==========================================
  Files          11       11              
  Lines         531      529       -2     
==========================================
- Hits          364      362       -2     
  Misses        158      158              
  Partials        9        9              

Impacted Files	Coverage Δ
internal/api/build.go	61.90% <100.00%> (-0.40%)	⬇️

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